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## anonymous one year ago A roller coaster starts down a hill at 10 m/s. Three seconds later, its speed is 32 m/s. What is the roller coaster’s acceleration? Will medal and fan.

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1. anonymous

$a=\frac{v_f-v_i}{t}$

2. anonymous

Would it be 7.3 m/s 2?

3. anonymous

Yes

4. anonymous

Thank you!

5. anonymous

You're welcome

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